yum install cockpit* -y
systemctl start cockpit.service
systemctl enable cockpit.service
修改默认端口9090 >>>8090
vim /usr/lib/systemd/system/cockpit.socket
然后重启
sudo systemctl daemon-reload
sudo systemctl restart cockpit.socket
systemctl restart cockpit.service
ok！！！
web访问（安装cockpit会自动生成ssl证书，所有可以直接使用https，安全）
https://ip:8090
修改端口：